Home / 5,220.02-7,824.36-1,930.34

Finding the Fourth Proportional to 5,220.02, 7,824.36 and 1,930.34

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Solution

The fourth proportional to 5,220.02, 7,824.36 and 1,930.34 is: 2,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.02 : 7,824.36 = 1,930.34 : x
  2. Step 2: Convert to fraction form
    5,220.02/7,824.36 = 1,930.34/x
  3. Step 3: Cross multiply
    5,220.02x = 7,824.36 × 1,930.34
  4. Step 4: Simplify right side
    5,220.02x = 15,103,675.08
  5. Step 5: Solve for x
    x = 15,103,675.08/5,220.02
  6. Step 6: Final answer
    x = 2,893.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.